<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <el-input v-model="params.name" clearable placeholder="请输入内容" class="search-main" />
      <el-button type="primary" @click="search">查询</el-button>
    </div>
    <div class="create-container">
      <el-button type="primary" @click="$router.push('/enterpriseAdd')">添加企业</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" :data="enterpriseList" @expand-change="expandHandle">
        <!-- 新增：展开部分 -->
        <el-table-column type="expand">
          <template #default="{ row }">
            <el-table :data="row.rentList">
              <el-table-column label="租赁楼宇" width="320" prop="buildingName" />
              <el-table-column label="租赁起始时间" prop="startTime" />
              <!-- 合同状态 -->
              <el-table-column label="合同状态" prop="status">
                <template #default="scope">
                  <el-tag :type="formatInfoType(scope.row.status)">
                    {{ formaStatus(scope.row.status) }}
                  </el-tag>
                </template>

              </el-table-column>

              <el-table-column label="操作" width="180" fixed="right">
                <template #default="scope">
                  <el-button size="mini" type="text">续租</el-button>
                  <el-button
                    size="mini"
                    type="text"
                    @click="outRent(scope.row.id)"
                  >退租</el-button>
                  <el-button size="mini" type="text">删除</el-button>
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>
        <!-- 序号 -->
        <el-table-column type="index" label="序号" />
        <el-table-column label="企业名称" width="320" prop="name" />
        <el-table-column label="联系人" prop="contact" />
        <el-table-column
          label="联系电话"
          prop="contactNumber"
        />
        <el-table-column label="操作">
          <template #default="scope">
            <el-button size="mini" type="text" @click="addRent(scope.row.id)">添加合同</el-button>
            <el-button size="mini" type="text" @click="$router.push(`/exterpriseDetail?id=${scope.row.id}`)">查看</el-button>
            <el-button size="mini" type="text" @click="editRent(scope.row.id)">编辑</el-button>
            <el-button size="mini" type="text" @click="del(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>

      </el-table>
    </div>
    <div class="page-container">
      <!-- 分页 -->
      <el-pagination
        layout="total, prev, pager, next"
        :total="total"
        :page-size="params.pageSize"
        @current-change="pageChange"
      />
    </div>
    <!-- 表单区域 -->
    <el-dialog type="添加合同" :visible="rentDialogVisible" width="580px" @close="closeDialog">
      <div class="form-container">
        <el-form ref="addFentRef" :model="rentForm" :rules="rentRules" label-position="top">
          <!-- 租赁楼宇 -->
          <el-form-item label="租赁楼宇" prop="buildingId">
            <el-select v-model="rentForm.buildingId" placeholder="请选择">
              <el-option
                v-for="item in buildList"
                :key="item.id"
                :label="item.name"
                :value="item.id"
              />
            </el-select>
          </el-form-item>
          <!-- 租赁起止日期 -->
          <el-form-item label="租赁起止日期" prop="rentTime">
            <el-date-picker
              v-model="rentForm.rentTime"
              type="daterange"
              range-separaor="至"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
              value-format="yyyy-MM-dd"
            />
          </el-form-item>
          <el-form-item label="租赁合同" prop="contractId">
            <el-upload
              action="#"
              :http-request="uploadHandle"
              :before-upload="beforeUpload"
              :file-list="contractList"
            >
              <!-- plain：表示按钮是朴素样式，即按钮的背景可能是透明的，文字会有边框等样式来突出显示。 -->
              <el-button size="small" type="primary" plain>上传合同文件</el-button>
              <div slot="tip" class="el-upload__tip">支持拓展名:.doc.docx.pdf,文件大小不超过5M</div>
            </el-upload>
          </el-form-item>
        </el-form>
        <template type="flex" justify="end" style="width:100%">
          <el-button size="mini" @click="closeDialog">取消</el-button>
          <el-button size="mini" type="primary" @click="confirmAdd">确定</el-button>
        </template>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { createRentApi, delEnterpriseApi, getEnterpriseListApi, getRentBuildListApi, getRentListApi, outRentApi, uploadApi } from '@/api/enterprise'

export default {
  name: 'Building',
  data() {
    return {
      enterpriseList: [],
      params: {
        page: 1,
        pageSize: 5,
        name: ''// 搜索字段
      },
      total: 0,
      rentDialogVisible: false, // 是否显示添加合同弹框
      // 表单
      rentForm: {
        buildingId: null, // 楼宇id
        contractId: null, // 合同id
        contractUrl: '', // 合同Url
        enterpriseId: null, // 企业名称
        type: 0, // 合同类型
        rentTime: [] // 合同时间
      },
      // 规则
      rentRules: {
        // 楼宇id
        buildingId: [
          { required: true, message: '请选择楼宇', trigger: 'change' }
        ],
        // 合同时间
        rentTime: [
          { required: true, message: '请选择租赁日期', trigger: 'change' }
        ],
        // 合同id
        contractId: [
          { required: true, message: '请上传合同文件' }
        ]
      },
      buildList: [], // 未租赁楼宇列表
      contractList: [] // 合同文件列表

    }
  },
  created() {
    this.getList()
  },
  methods: {
    // 获取列表
    async getList() {
      const res = await getEnterpriseListApi(this.params)
      // console.log(res)
      this.enterpriseList = res.data.rows.map((item) => {
        return {
          ...item,
          rentList: [] // 每一行补充存放合同的列表
        }
      })
      // this.enterpriseList = res.data.rows
      this.total = res.data.total
      // console.log(this.enterpriseList)
    },
    // 分页
    pageChange(newPage) {
      // console.log(newPage)
      this.params.page = newPage
      this.getList()
    },
    // 搜索字段
    search() {
      this.params.page = 1
      this.getList()
    },
    // 携带id跳转
    editRent(id) {
      this.$router.push({
        path: '/enterpriseAdd',
        query: {
          id
        }
      })
    },
    // 删除企业
    del(id) {
      this.$confirm('确认删除该企业吗?').then(async() => {
        await delEnterpriseApi(id)
        this.getList()
        this.$message.success('删除成功!')
      })
    },
    // 打开添加合同弹框
    async addRent(id) {
      this.rentDialogVisible = true
      // 获取楼宇下拉列表
      const res = await getRentBuildListApi()
      // console.log(res)
      this.buildList = res.data
      this.rentForm.enterpriseId = id
    },
    // 关闭弹框
    closeDialog() {
      this.rentDialogVisible = false
    },
    // 上传前验证
    beforeUpload(file) {
      const allowTmgType = ['application/pdf', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/msword'].includes(file.type)
      const isLt5M = file.size / 1024 / 1024 < 5
      if (!allowTmgType) {
        this.$message.error('上传合同文件只能是 .doc ,.pdf格式!')
      }
      if (!isLt5M) {
        this.$message.error('上传合同文件大小不能超过5MB!')
      }
      return allowTmgType && isLt5M
    },
    // 上传合同
    async uploadHandle(fileData) {
      // 1. 处理FormData
      const { file } = fileData
      const formData = new FormData()
      formData.append('file', file)
      formData.append('type', 'contract')
      // 2. 上传并赋值
      const res = await uploadApi(formData)
      const { id, url } = res.data
      this.rentForm.contractId = id
      this.rentForm.contractUrl = url
      this.contractList.push({ name: file.name, url: url })
      // 单独校验表单
      this.$refs.addFentRef.validateField('contractId')
    },
    // 确认提交上传合同
    async confirmAdd() {
      this.$refs.addFentRef.validate(async valid => {
        if (valid) {
          const { buildingId, contractId, contractUrl, enterpriseId, type } = this.rentForm
          await createRentApi({
            buildingId, contractId, contractUrl, enterpriseId, type,
            startTime: this.rentForm.rentTime[0],
            endTime: this.rentForm.rentTime[1]
          })
          // 更新列表
          this.getList()
          // 关闭弹框
          this.rentDialogVisible = false
          // 重置表单
          this.$refs.addFentRef.resetFields()
          this.rentForm.contractUrl = ''
          this.rentForm.contractId = ''
          this.contractList = []
        }
      })
    },
    // 展开表格时获取数据
    async expandHandle(row, rows) {
      // rows 中包含当前展开行数据，说明是展开状态
      const isExpend = rows.find(item => item.id === row.id)
      // 因为展开/关闭都会触发此事件函数，做个判断只有展开时获取数据
      if (isExpend) {
        const res = await getRentListApi(row.id)
        res.data.forEach(obj => {
          row.rentList.push(obj)
        })
        console.log(row.rentList)
      } else {
        // 关闭时，把当前行的合同列表清空，防止下次打开时不断 push 叠加
        row.rentList.splice(0)
      }
    },
    // 格式化汤类型
    formatInfoType(status) {
      const MAP = {
        0: 'warning',
        1: 'success',
        2: 'info',
        3: 'danger'
      }
      // return 格式化之后的中文显示
      return MAP[status]
    },
    // 格式化 status
    formaStatus(type) {
      const TYPEMAP = {
        0: '待生效',
        1: '生效中',
        2: '已到期',
        3: '已退租'
      }
      return TYPEMAP[type]
    },
    // 退租
    outRent(rentId) {
      this.$confirm('确认退租吗?').then(async() => {
        // 1.调用接口
        await outRentApi(rentId)
        // 2.重新拉去列表
        this.getList()
        this.$message.success('退租成功!')
      }).catch(() => {
        this.$message.info('已取消退租')
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.building-container{
margin: 20px;
// background-color: #f4f6f8;
}
.department-container {
  padding: 10px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  ;
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}
.create-container{
  margin: 10px 0px;
}
.page-container{
  padding:4px 0px;
  text-align: right;
}
.form-container{
  padding:0px 80px;
}
</style>

